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2017-05-30powerpc/64s: Tool to flag direct branches from unrelocated interrupt vectorsNicholas Piggin1-0/+57
Direct banches from code below __end_interrupts to code above __end_interrupts when built with CONFIG_RELOCATABLE are disallowed because they will break when the kernel is not located at 0. Sample output: WARNING: Unrelocated relative branches c000000000000118 bl-> 0xc000000000038fb8 <pnv_restore_hyp_resource> c00000000000013c b-> 0xc0000000001068a4 <kvm_start_guest> c000000000000148 b-> 0xc00000000003919c <pnv_wakeup_loss> c00000000000014c b-> 0xc00000000003923c <pnv_wakeup_noloss> c0000000000005a4 b-> 0xc000000000106ffc <kvmppc_interrupt_hv> c000000000001af0 b-> 0xc000000000106ffc <kvmppc_interrupt_hv> c000000000001b24 b-> 0xc000000000106ffc <kvmppc_interrupt_hv> c000000000001b58 b-> 0xc000000000106ffc <kvmppc_interrupt_hv> Signed-off-by: Balbir Singh <bsingharora@gmail.com> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>